Home / 88,024.83-121,315.64-64,113.63

Finding the Fourth Proportional to 88,024.83, 121,315.64 and 64,113.63

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Solution

The fourth proportional to 88,024.83, 121,315.64 and 64,113.63 is: 88,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,024.83 : 121,315.64 = 64,113.63 : x
  2. Step 2: Convert to fraction form
    88,024.83/121,315.64 = 64,113.63/x
  3. Step 3: Cross multiply
    88,024.83x = 121,315.64 × 64,113.63
  4. Step 4: Simplify right side
    88,024.83x = 7,777,985,735.61
  5. Step 5: Solve for x
    x = 7,777,985,735.61/88,024.83
  6. Step 6: Final answer
    x = 88,361.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.